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Overall, the top 10 construction companies in Wales won £714 million-worth of work in the last 12 months according to Glenigan data.

The top 10 construction companies in Wales league table ranks the top 10 best performing contractors by the total value of projects won over the past 12 months and identifies the number of projects each contractor was awarded.

The table reflects activity in Clwyd, Dyfed, Gwent, Gwynedd, Mid Glamorgan, Powys, South Glamorgan and West Glamorgan.

This league table, together with our other regional league tables, are regularly updated, so check back again to see which construction companies in Wales are winning the most work.

Regions
Counties & Cities
Position Contractor Number of projects Value of projects (£m)
Live Projects
1
Willmott Dixon Holdings Limited 5 108 See all projects
2
Morgan Sindall Group Plc 7 104 See all projects
3
ISG Construction Limited 4 104 See all projects
4
Royal BAM Group 4 84 See all projects
5
Bouygues UK 1 69 See all projects
6
Wates Group Ltd 5 62 See all projects
7
Knights Brown Construction Ltd 3 59 See all projects
8
Lagan Aviation and Infrastructure Ltd 1 44 See all projects
9
Read Construction Ltd 7 41 See all projects
10
Buckthorn Partners & One Equity Partners 2 39 See all projects
No Companies Found
Source: Glenigan | Last modified February 2024

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